000			00653n a2200193 4500
001			00932434
003			PWmBRO
005			20240602102142.0
008			910305 1983 nyu 1 eng
010			_a91024045
020			_a0895204045
100	1	0	_aStefanko, Robert.
245	1	0	_aCoal mining technology : _btheory and practice / _cby Robert Stefanko ; editor Christopher J. Bise.
260			_aNew York : _bSociety of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers, _c1983.
300			_axiv, 410 p . : _bill.
650		0	_aCoal mines and mining.
650		0	_aMining engineering.
942			_2ddc
999			_c54384 _d54384